| Casamayor, Lola | Lola Casamayor | Actor | 2001 | 5 | |
| Carré, Xavier | Xavier Carré | Lighting Designer | 2009 - 2010 | 5 | |
| Císař, Roman | Roman Císař | Adaptation, Dramaturg | 1984 - 1997 | 5 | 1 |
| Corneliussen, Jesper | Jesper Corneliussen | Costume Designer, Designer | 2002 - 2006 | 5 | 1 |
| Chen, LIU | LIU Chen | Translator | 2012 - 2014 | 5 | |
| Camp , Joanne | Joanne Camp | Actor | 1989 - 2008 | 5 | 1 |
| Conroy, Jane | Jane Conroy | Actor | 1990 | 5 | |
| Chouvardas, Giannis | Giannis Chouvardas | Designer, Director, Lighting Designer | 1994 - 2020 | 5 | |
| Coburger, Christoph | Christoph Coburger | Composer | 1995 - 2018 | 5 | |
| Cardy , David | David Cardy | Actor | 1980 | 5 | |
| Chowdhury, Anirban, Roy | Anirban Roy Chowdhury | Actor | 2003 - 2007 | 5 | |
| Crotty, Derbhle | Derbhle Crotty | Actor | 1996 - 1997 | 5 | |
| Ciaffone, Claudio | Claudio Ciaffone | Actor, Adaptation, Director | 1995 - 2000 | 5 | 1 |
| Cavin, Simone | Simone Cavin | Actor | 1994 | 5 | |
| Cox, Alan | Alan Cox | Actor | 1997 - 2011 | 5 | |
| Correa e Castro, Cláudio | Cláudio Correa e Castro | Actor, Designer, Director, Translator | 1966 - 1969 | 5 | |
| Cselle, Lajos | Lajos Cselle | Actor | 1922 - 1925 | 5 | |
| Cronberg, Sara | Sara Cronberg | Adaptation, Director | 2004 - 2011 | 5 | 1 |
| Cornet, Nathalie | Nathalie Cornet | Actor | 2002 - 2004 | 5 | 1 |
| Chappuis, Anne | Anne Chappuis | Actor | 2002 - 2004 | 5 | 1 |
| Claire, Anne | Anne Claire | Actor | 2002 - 2004 | 5 | 1 |
| Chmiel, Michael | Michael Chmiel | Actor | 2002 | 5 | |
| Chéu, Cláudia | Cláudia Chéu | Actor | 2002 | 5 | |
| Compton, J. C. | J. C. Compton | Director | 1998 - 2002 | 5 | 1 |
| Chatzisavvas, Konstantinos | Konstantinos Chatzisavvas | Actor | 2002 | 5 | |
| Chazaki, Eva | Eva Chazaki | Actor | 2002 | 5 | |
| Chan, Kinsun | Kinsun Chan | Actor, Designer | 2003 - 2016 | 5 | |
| Cambridge, Charles | Charles Cambridge | Actor | 2003 | 5 | |
| Carré-Cassaigne, Théodul | Théodul Carré-Cassaigne | Actor | 2003 - 2004 | 5 | |
| Cohen, Céline | Céline Cohen | Actor | 2003 - 2005 | 5 | |
| Colomb, Marie-Christine | Marie-Christine Colomb | Actor | 2003 - 2005 | 5 | |
| Castellat, Jean | Jean Castellat | Designer | 2003 - 2005 | 5 | |
| Carleton, Don | Don Carleton | Adaptation, Composer, Director, Translator | 2004 - 2012 | 5 | 1 |
| Clerke, Peter | Peter Clerke | Director | 2004 | 5 | |
| Christophe, Grégoire | Christophe Grégoire | Actor | 2005 | 5 | |
| Chaipanha, Aphirak | Aphirak Chaipanha | Actor | 2005 | 5 | |
| Cornescu , Traian | Traian Cornescu | Designer | 1923 - 1944 | 5 | |
| Clark, Jonathan | Jonathan Clark | Actor | 2001 | 5 | |
| Constantin , Brînzea | Constantin Brînzea | Actor | 1977 | 5 | |
| Cunningham, Jake | Jake Cunningham | Actor | 2001 | 5 | |
| Cojar, Ion | Ion Cojar | Assistant Director, Director | 1963 - 1985 | 5 | |
| Cári, Tibor | Tibor Cári | Composer | 2012 - 2013 | 5 | |
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